<!DOCTYPE html>
<html>
<head>
    <meta charset="UTF-8">
    <title>Simple Test</title>
</head>
<body style="background-color: red; color: white; font-size: 24px; padding: 20px;">
    <h1>Hello HarmonyOS!</h1>
    <p>这是一个简单的测试页面</p>
    <script>
        console.log('Simple page loaded');
    </script>
</body>
</html>